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" ... and that every such change is due to the action of some external force ; up to the time of Galileo it was supposed that certain kinds of motion — such as the rolling of a body along a road — have a natural tendency to decay ; while certain other... "
Elementary Introduction to Practical Mechanics, Illustrated by Numerous ... - Página 250
de John Francis Twisden - 1868 - 320 páginas
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Elements of natural philosophy

Golding Bird - 1839 - 458 páginas
...Newton in the form of three axioms or laws; well known as the Newtonian laws of motion. LAW I. A body at rest will continue at rest ; and if in motion, will continue to move in a right line, unless acted upon by some external force. This law is a necessary consequence of the...
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Elements of Natural Philosophy: Being an Experimental Introduction to the ...

Golding Bird - 1848 - 620 páginas
...by Newton in the form of three axioms or laws ; well known as the Newtonian laws of motion. A body at rest will continue at rest : and if in motion, will continue to move in a right line, unless acted upon by some external force. This law is a necessary consequence of the...
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Elementary Mechanics

Sir John Budd Phear - 1850 - 276 páginas
...are, estimated as statical forces, equal and opposite. (3). First Law of Motion. A material particle if at rest will continue at rest, and if in motion will continue to move uniformly in the same straight line unless it be acted upon by some external force. (4). Second Law of Motion. When...
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Elementary Mechanics

Sir John Budd Phear - 1850 - 304 páginas
...generally known under the name of the First Law of Motion, A material particle if at rest will remain at rest, and if in motion will continue to move uniformly in the same straight line, unless it be acted upon by some external force. From our definitions already...
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Elementary Examples in Practical Mechanics ...

John Francis Twisden - 1860 - 380 páginas
...a natural tendency to decay ; while certain other kinds — such as that of falling bodies— have a natural tendency to increase ; when this opinion...rest, and if in motion will continue to move uniformly on a straight line." The object of the second law of motion is to assert that the effect produced by...
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Elementary introduction to practical mechanics

John Francis Twisden - 1863 - 390 páginas
...a natural tendency to decay ; while certain other kinds — such as that of falling bodies — have a natural tendency to increase ; when this opinion...velocity it would produce in the body moving from the rest is compounded with the previous velocity of the body.' If the body is moving along the line...
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Elementary Introduction to Practical Mechanics: Being the 2d Ed. of ...

John Francis Twisden - 1863 - 412 páginas
...a natural tendency to decay ; while certain other kinds — such as that of falling bodies — have a natural tendency to increase ; when this opinion...velocity it would produce in the body moving from the rest is compounded with the previous velocity of the body.' If the body is moving along the line...
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An Elementary Treatise on Mechanics for the Use of the Junior Classes at the ...

Stephen Parkinson - 1863 - 396 páginas
...which the motion of a body considered as a particle are calculated. FIRST LAW OF MOTION. 27. A particle if at rest will continue at rest, and if in motion will move in a straight line with uniform velocity unless it is acted on by an extraneous force. This law...
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Principles of Construction and Efficiency of Water-wheels

William Donaldson - 1876 - 108 páginas
...a direct application of the three laws of motion, which may be thus enunciated : — 1. A particle, if at rest, will continue at rest, and if in motion will move in a straight line with uniform velocity, unless it is acted on by an extraneous force. 2. When...
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Handbook for Mechanical Engineers

Henry Adams - 1891 - 338 páginas
...MOTION (Kepler, also ascribed to Galileo). All motion is naturally rectilinear and uniform. A body at rest will continue at rest, and if in motion will continue to move in a straight line with uniform velocity, unless acted upon by some external force. SECOND LAW OF MOTION...
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